124344121233245 has 4 divisors (see below), whose sum is σ = 149212945479900. Its totient is φ = 99475296986592.

The previous prime is 124344121233239. The next prime is 124344121233247. The reversal of 124344121233245 is 542332121443421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60442819152004 + 63901302081241 = 7774498^2 + 7993829^2 .

It is a cyclic number.

It is not a de Polignac number, because 124344121233245 - 2⁶ = 124344121233181 is a prime.

It is a super-2 number, since 2×124344121233245² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124344121233247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12434412123320 + ... + 12434412123329.

It is an arithmetic number, because the mean of its divisors is an integer number (37303236369975).

Almost surely, 2^{124344121233245} is an apocalyptic number.

It is an amenable number.

124344121233245 is a deficient number, since it is larger than the sum of its proper divisors (24868824246655).

124344121233245 is an equidigital number, since it uses as much as digits as its factorization.

124344121233245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24868824246654.

The product of its digits is 552960, while the sum is 41.

Adding to 124344121233245 its reverse (542332121443421), we get a palindrome (666676242676666).

The spelling of 124344121233245 in words is "one hundred twenty-four trillion, three hundred forty-four billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred forty-five".